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Case #0040 — Zenith Chronomaster Sport — Ref. 03.3100.3600/21.M3100
Status: Available (Pre-Owned)
Scope: Full kit — box, papers, warranty card
Condition: Excellent pre-owned condition with only light, honest signs of careful wear.
Case Notes
A modern sports chronograph with real pedigree: the Chronomaster Sport takes Zenith’s El Primero legacy and sharpens it into a daily-ready, 1/10th-second instrument—sleek, tough, and unmistakably Zenith.
Evidence
Reference: 03.3100.3600/21.M3100
Case: 41mm stainless steel
Dial: Black with silver sub-dials
Bezel: Black ceramic with engraved 1/10th-second scale
Movement: El Primero 3600 automatic (36,000 vph, ~60-hour power reserve)
Crystal: Sapphire with AR coating
Bracelet: Stainless steel with folding clasp
Water Resistance: 100m
🌟 Celebrity Provenance
Brad Pitt, Aaron Rodgers, and Patrick Mouratoglou have all been spotted with the Chronomaster Sport—an unusually clean trio of signals: Hollywood ease, competitive edge, and precision coaching energy.
Provenance
The Chronomaster Sport is the modern extension of Zenith’s most famous calling card: El Primero—an integrated automatic chronograph lineage that traces back to 1969. This reference keeps the heritage intact while stepping firmly into the now, pairing high-frequency chronograph credentials with a ceramic bezel and a silhouette built for daily rotation.
Story
This is the chrono that doesn’t wait for the weekend—it is the weekend. Polished enough to clean up under a cuff, sporty enough to live on-wrist, and legible enough to do its job without drama, the Chronomaster Sport is for the collector who wants history in the bloodstream—but modern edge at the surface.
Case File
Why it matters: A true descendant of the El Primero story, executed as a contemporary, everyday sports chronograph.
What it brings: 1/10th-second design language, ceramic bezel toughness, and a dial layout that reads fast and wears even faster.
Who it’s for: The buyer who wants icon-level chronograph credibility without sacrificing daily practicality.
BST Verdict
If you want a chronograph with legitimate bloodlines, modern wearability, and that “caught on camera” cultural tailwind—Case #0040 is a clean close.